Home / 18,086,516.10-27,129,774.15-15,651,072.90

Finding the Fourth Proportional to 18,086,516.10, 27,129,774.15 and 15,651,072.90

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Solution

The fourth proportional to 18,086,516.10, 27,129,774.15 and 15,651,072.90 is: 23,476,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,516.10 : 27,129,774.15 = 15,651,072.90 : x
  2. Step 2: Convert to fraction form
    18,086,516.10/27,129,774.15 = 15,651,072.90/x
  3. Step 3: Cross multiply
    18,086,516.10x = 27,129,774.15 × 15,651,072.90
  4. Step 4: Simplify right side
    18,086,516.10x = 424,610,072,982,185.50
  5. Step 5: Solve for x
    x = 424,610,072,982,185.50/18,086,516.10
  6. Step 6: Final answer
    x = 23,476,609.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.